Western Gull
Larus occidentalis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusLarus (Large White-headed Gulls)
- SpeciesLarus occidentalis (Western Gull)
Closest Relatives at Redwood National Park
California Gull
Larus californicus
Glaucous-winged Gull
Larus glaucescens
Short-billed Gull
Larus brachyrhynchus
American Herring Gull
Larus smithsonianus
Ring-billed Gull
Larus delawarensis
Heermann's Gull
Larus heermanni
Iceland Gull
Larus glaucoides
Glaucous Gull
Larus hyperboreus
Caspian Tern
Hydroprogne caspia
Black-legged Kittiwake
Rissa tridactyla
Bonaparte's Gull
Chroicocephalus philadelphia
Sabine's Gull
Xema sabini
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Channel Islands National Park | 🇺🇸 United States | |
| 2 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | |
| 3 | Redwood National Park | 🇺🇸 United States | |
| 4 | Olympic National Park | 🇺🇸 United States | |
| 5 | Pacific Rim National Park Reserve | 🇨🇦 Canada | |
| 6 | Great Bear Rainforest | 🇨🇦 Canada | |
| 7 | Joshua Tree National Park | 🇺🇸 United States | |
| 8 | Bahía de Loreto National Park | 🇲🇽 Mexico |
Quick answers
What are the chances of seeing a Western Gull in Redwood National Park?
About 39% of visitor-days record a Western Gull sighting in Redwood National Park, based on 832 observer-days of citizen-science data from GBIF.
When is the best time to see Western Gull in Redwood National Park?
December has the highest sighting rate for Western Gull in Redwood National Park in our monthly data.